Nepean Bay Weather Forecast

    • 4
    • 17

    Morning fog then mostly sunny

    • 7
    • 16

    Possible shower. Windy

    • 8
    • 16

    Showers easing. Windy

    • 5
    • 15

    Showers

    • 5
    • 14

    Shower or two

    • 5
    • 15

    Shower or two

    • 6
    • 16

    Shower or two

Today 6 Jul Kangaroo Island

Mostly sunny. Patchy morning fog. Slight chance of a shower. Light winds. Daytime maximum temperatures around 16.

Investigator Strait Coastal Waters

Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Mostly sunny.
Weather Situation
A low pressure system near Eyre Peninsula will move east and weaken during Sunday morning. A high pressure ridge will move in behind this system on Sunday, before another stronger cold front starts to move across the Bight on Monday and Tuesday. A third cold front is expected to move up over the south of the state on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

July Temperature

Kingscote Airport (7km)

  • Lowest 2 July, 2025

    0.9 °C

  • Average July

    10.6 °C

  • Highest 4 July, 2025

    16.3 °C

Climate (2020–Present)

Kingscote Airport (7km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21.1 °C
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